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comparison gcc/testsuite/g++.dg/ext/strncpy-chk1.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
comparison
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111:04ced10e8804 131:84e7813d76e9
1 // PR c++/40502 1 // PR c++/40502 - [4.5 Regression] crash in cp_diagnostic_starter
2 // { dg-do compile } 2 // { dg-do compile }
3 // { dg-options "-O2" } 3 // { dg-options "-O2" }
4 // { dg-skip-if "packed attribute missing for struct A" { "epiphany-*-*" } } 4 // { dg-skip-if "packed attribute missing for struct A" { "epiphany-*-*" } }
5 5
6 struct A { char x[12], y[35]; }; 6 struct A { char x[12], y[35]; };
7 struct B { char z[50]; }; 7 struct B { char z[50]; };
8 8
9 inline void 9 inline void
10 foo (char *dest, const char *__restrict src, __SIZE_TYPE__ n) 10 foo (char *dest, const char *__restrict src, __SIZE_TYPE__ n)
11 { 11 {
12 __builtin___strncpy_chk (dest, src, n, __builtin_object_size (dest, 0)); // { dg-warning "specified bound 36 exceeds destination size 35" } 12 // This triggers a -Wstringop-overflow warning (pruned below).
13 __builtin___strncpy_chk (dest, src, n, __builtin_object_size (dest, 0));
13 } 14 }
14 15
15 void bar (const char *, int); 16 void bar (const char *, int);
16 17
17 inline void 18 inline void
28 void 29 void
29 test () 30 test ()
30 { 31 {
31 baz (0); 32 baz (0);
32 } 33 }
34
35 // { dg-prune-output "\\\[-Wstringop-overflow=]" }